The US ranks as one of the most religious nations among industrialized countries, but that may be changing. A Pew survey released last October showed that one-fifth of American adults say they don’t identify with any religion. Among young people under 30, nearly a third say they are religiously unaffiliated. And, these numbers appear to be on the rise.

Is this evidence that America is becoming a secular nation, or is this simply a temporary trend? This week on Intersection, we’ll take a look at the rise of the religiously unaffiliated.